fix: Fixed a bug with the command registry that would not allow any command to be registered

Author: seailz

docs/com/seailz/test/listeners/TestListener.html

@@ -123,7 +123,7 @@ <h2 title="Class TestListener" class="title">Class TestListener</h2>
 <li>java.lang.Object</li>
 <li>
 <ul class="inheritance">
-<li>com.seailz.test.listeners.TestListener</li>
+<li>TestListener</li>
 </ul>
 </li>
 </ul>

src/main/java/com/seailz/jdaframework/command/registry/CommandRegistry.java

@@ -21,7 +21,7 @@ public CommandRegistry() {
     }
 
     public void registerCommand(JDA jda, Command command) {
-        if (!commands.containsValue(command)) return;
+        if (commands.containsValue(command)) return;
         if (command.getOptions().isEmpty()) {
             jda.upsertCommand(command.getName(), command.getDescription()).queue();
         } else {

src/test/java/com/seailz/test/TestBot.java

@@ -0,0 +1,21 @@
+package com.seailz.test;
+
+import com.seailz.jdaframework.DiscordBot;
+import net.dv8tion.jda.api.events.GenericEvent;
+import net.dv8tion.jda.api.hooks.EventListener;
+import org.jetbrains.annotations.NotNull;
+
+import javax.security.auth.login.LoginException;
+
+public class TestBot extends DiscordBot {
+
+    public static void main(String[] args) throws LoginException {
+        new TestBot();
+    }
+    public TestBot() throws LoginException {
+        super("token");
+        build();
+
+        registerCommands(new TestCommand());
+    }
+}

src/test/java/com/seailz/test/TestCommand.java

@@ -0,0 +1,16 @@
+package com.seailz.test;
+
+import com.seailz.jdaframework.command.Command;
+import com.seailz.jdaframework.command.annotation.CommandInfo;
+import net.dv8tion.jda.api.events.interaction.command.SlashCommandInteractionEvent;
+
+@CommandInfo(
+        name = "test",
+        description = "Test command"
+)
+public class TestCommand extends Command {
+    @Override
+    public void onCommand(SlashCommandInteractionEvent e) {
+        e.reply("hi").queue();
+    }
+}